/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/RigVMController.h
Try to reconnect source and target pins after a node deletion
void RelinkSourceAndTargetPins ( [URigVMNode](API\Plugins\RigVMDeveloper\RigVMModel\URigVMNode) * RigNode, bool bSetupUndoRedo )